$OpenBSD: patch-base_third_party_libevent_event-config_h,v 1.1 2016/08/17 11:06:50 robert Exp $
--- base/third_party/libevent/event-config.h.orig.port	Sun Aug 14 16:13:31 2016
+++ base/third_party/libevent/event-config.h	Sun Aug 14 16:13:43 2016
@@ -15,6 +15,8 @@
 #include "base/third_party/libevent/linux/event-config.h"
 #elif defined(__FreeBSD__)
 #include "base/third_party/libevent/freebsd/event-config.h"
+#elif defined(__OpenBSD__)
+#include "base/third_party/libevent/openbsd/event-config.h"
 #elif defined(__sun)
 #include "base/third_party/libevent/solaris/event-config.h"
 #else
